.cropArea {
  margin: auto;
  overflow: hidden;
}
.cropArea.big {
  width:800px;
  height:600px;
}
.cropArea.medium {
  width:500px;
  height:350px;
}
.cropArea.small {
  width:300px;
  height:200px;
  margin: 0 auto;
}
img-crop{
  width:100%;
  height:100%;
  display:block;
  position:relative;
  overflow:hidden
}
img-crop canvas{
  display:block;
  position:absolute;
  top:50%;
  left:50%;
  outline:0;
  -webkit-tap-highlight-color:transparent
}
